Telefónica

Telefónica is one of the world's largest telecommunications companies, providing fixed and mobile connectivity, digital services, and technology solutions to consumers and businesses across Europe and Latin America. With over 100,000 employees and a strong presence in Spain, the UK, Germany, and Brazil, the company operates through brands such as Movistar, O2, and Vivo, and has expanded into areas like cybersecurity, cloud, IoT, and AI through its innovation units.

In Spain, Telefónica is headquartered in Madrid and is a major employer of tech talent, with a strong focus on cybersecurity, data, and AI. The company actively hires international professionals, offering roles in English and fostering a diverse, innovative culture. Its Spanish operations are central to its global strategy, making it a relevant option for internationals seeking to work in a large, established tech and telecom player in Spain.